mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-19 01:13:25 +00:00
7bc59bc395
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28301 91177308-0d34-0410-b5e6-96231b3b80d8
58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
//===- ARMInstrInfo.h - ARM Instruction Information --------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the "Instituto Nokia de Tecnologia" and
|
|
// is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains the ARM implementation of the TargetInstrInfo class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef ARMINSTRUCTIONINFO_H
|
|
#define ARMINSTRUCTIONINFO_H
|
|
|
|
#include "llvm/Target/TargetInstrInfo.h"
|
|
#include "ARMRegisterInfo.h"
|
|
|
|
namespace llvm {
|
|
|
|
class ARMInstrInfo : public TargetInstrInfo {
|
|
const ARMRegisterInfo RI;
|
|
public:
|
|
ARMInstrInfo();
|
|
|
|
/// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As
|
|
/// such, whenever a client has an instance of instruction info, it should
|
|
/// always be able to get register info as well (through this method).
|
|
///
|
|
virtual const MRegisterInfo &getRegisterInfo() const { return RI; }
|
|
|
|
/// Return true if the instruction is a register to register move and
|
|
/// leave the source and dest operands in the passed parameters.
|
|
///
|
|
virtual bool isMoveInstr(const MachineInstr &MI,
|
|
unsigned &SrcReg, unsigned &DstReg) const;
|
|
|
|
/// isLoadFromStackSlot - If the specified machine instruction is a direct
|
|
/// load from a stack slot, return the virtual or physical register number of
|
|
/// the destination along with the FrameIndex of the loaded stack slot. If
|
|
/// not, return 0. This predicate must return 0 if the instruction has
|
|
/// any side effects other than loading from the stack slot.
|
|
virtual unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex) const;
|
|
|
|
/// isStoreToStackSlot - If the specified machine instruction is a direct
|
|
/// store to a stack slot, return the virtual or physical register number of
|
|
/// the source reg along with the FrameIndex of the loaded stack slot. If
|
|
/// not, return 0. This predicate must return 0 if the instruction has
|
|
/// any side effects other than storing to the stack slot.
|
|
virtual unsigned isStoreToStackSlot(MachineInstr *MI, int &FrameIndex) const;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|